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Investigation into sugars accumulation in sweet cherry fruits under abiotic factors effects

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Pisipilt

KuupΓ€ev

2021

KΓ€ttesaadav alates

Autorid

Ivanova, I.
Serdyuk, M.
Malkina, V.
Priss, О.
Herasko, T.
Π’ymoshchuk, Π’.

Ajakirja pealkiri

Ajakirja ISSN

KΓΆite pealkiri

Kirjastaja

Abstrakt

The level of sugars content in sweet cherry fruit depends on many factors. However, the decisive influence of weather factors is noted. In view of this, the issue of predicting the sugars content in sweet cherry fruit depending on the share of weather factors is relevant for further improvement of transportation technology, storage and processing. It has been established that according to sugars content and to the variability of their formation the most perspective from the technological point of view were varieties: Zabuta (12.47%), Dachnytsia (15.60%), Krupnoplidna (14.35%). Low and medium variabilities of the selected varieties according to the investigation years were established (VΡ€ = 8.6%–13.0%). It has been shown that weather conditions had dominating effects on sugars accumulation for all varieties groups irrespective of the ripening period. According to the results of a two-factors dispersion analysis it is expedient to prognosticate the sugars content in sweet cherry fruits by medium values for a particular group of sorts but not for each pomological sort. In the course of the work the average and strong correlation dependence between 14 weather factors (Π₯Ρ–, i = 1..14) and the sugars content for sweet cherries of early, medium, and late ripening period (|π‘Ÿπ‘Œπ‘—π‘‹π‘– | β‰₯ 0.55, 𝑖 = 1. .14, 𝑗 = 1. .3) were defined. The ranges of share of weather factors participation that have the maximum influence on sugars fund formation in sweet cherry fruit are established (βˆ†π‘– 9.50% to 30.99%) . Based on regression analysis, it is substantiated that the sugars accumulation in sweet cherry fruit, regardless of the ripening period, is most influenced by weather conditions of the blossoming period, the last month of fruit formation and thermal parameters and humidity index at the stage of fruit picking.

Kirjeldus

Received: August 11th, 2020 ; Accepted: December 28th, 2020 ; Published: January 15th, 2021 ; Correspondence: irynaivanova2017@gmail.com

MΓ€rksΓ΅nad

fruits, sweet cherry tree, weather conditions, total sugar content, simple sugars, saccharose, connection, correlation, articles

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